GRADUATED PALM REJECTION TO IMPROVE TOUCH SENSOR PERFORMANCE
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United States of America Patent
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Issued Date -
Oct 16, 2014
app pub date -
Apr 16, 2014
filing date -
Apr 16, 2013
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Abstract
A system and method is provided that creates a touch recognition gradient beginning from all outer edges of a touch sensor, and extending inwards towards a designated center area, wherein contact that is nearer an outer edge of the touch sensor is only recognized if it is a relatively small object, and then allowing recognition of progressively larger objects when approaching the center area, thereby rejecting input from a palm or larger area of a finger when contact is made near the outer edge, while accepting larger objects near the center area.
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